Hitting the backside, then the frontside while skipping a must needed wash at the sink.

Hit the stink, then the pink, skip the sink. --or--

From the back to the front, on the hunt.
That girl got a UTI because she let him double dip the ice cream cone.
by enemesis_link March 8, 2006
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The act of a female receiving sexual penetration from both the front and rear at the same time.
"Yo, at the party the other night, I walked in on Mary getting double dipped by Tom and Harry!"
by stenro March 30, 2006
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To successfully pleasure both holes during intercourse. While your pumpin the va-ja-ja , pull out and stick it in the a-hole , and alternate back and forth from ass to pussy
by MR. Slanag August 17, 2009
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Term used for the sex act known as either ass to pussy, A2P, ATP or spetic vagina. This invloves the active partner swapping between fucking the ass of a woman to fucking the pussy of a woman multiple times during sex. The cock or object will not usually be washed making for a higher chance of infection.
"That bitch loved it last night when I tried some Double Dipping with her, she has probably got a shitty pussy now but I don't care."
by DeadlyDave June 5, 2006
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1. When you dip something like a chip into a dip such as salsa, take a bite but don't eat the whole chip, then dip the same saliva-infested chip into the dip and eat it. Wanna never get invited back to that person's place or party? This is one of the quickest and most effective ways to do so.

2. When you have sex twice over a short period of time. Normally this refers to having sex with someone the morning after you had a drunken hook up the night before, but this can also refer to having sex with two different people in the same night.
1. I wasn't thinking at all and George saw me double dip at his cocktail party. Needless to say it wasn't a good night.

2. A: Dude I double dipped last night! Amanda and Terri something like 3 hours apart!

B: OH SHIT dude you had an epic night!

A: BEST. NIGHT. EVER.
by Sid Barrett March 15, 2011
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The act of getting with more then one girl/guy in one night, or cheating on your boyfriend/girlfriend
Yo we're about to go double dipping tonight!
by Fanta nigs September 6, 2010
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When you penetrate anal and vagina one right after the other.
"Dude, she got some sort of infection in her vagina because we've been double dipping for like 8 months!"
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